Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW
The RING,RETAINING is a the manufacturer industrial component. Key specifications include usage_design: INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-255-1629, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
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FREQUENTLY ASKED QUESTIONS
What is 0621590-00?
0621590-00 is a RING,RETAINING.
What parts can replace 0621590-00?
There are 5 known substitutes for 0621590-00: 3000X185ST, N1300-185, S204 and 2 more. Substitute compatibility should be verified for your specific system.
Is 0621590-00 still available?
0621590-00 is currently cancelled.
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